/// <summary>
/// 生成客户端脚本
/// </summary>
/// <returns></returns>
public string BuildScript()
{
StringBuilder builder = new StringBuilder(box.ClientID.Length * 30);
builder.Append("Sys.Application.add_load(function() { ");
builder.AppendFormat("var box1 = cascadeCombo(\"{0}\")", box.ClientID);
if (defaultItem != null)
{
builder.Append(".defaultItem(true)");
}
builder.Append(";");
RadComboBoxClientCascade sub = subQuery;
if (sub != null)
{
builder.Append("box1");
do
{
builder.AppendFormat(".setSub(cascadeCombo(\"{0}\"))", sub.box.ClientID);
if (sub.defaultItem != null)
{
builder.Append(".defaultItem(true)");
}
} while ((sub = sub.subQuery) != null);
builder.Append(";");
}
builder.Append("});");
return(builder.ToString());
}
/// <summary>
/// 关联子查询
/// </summary>
/// <param name="subQuery"></param>
/// <returns></returns>
public RadComboBoxClientCascade SetSubQuery(RadComboBoxClientCascade subQuery)
{
if (subQuery != null)
{
subQuery.box.EnableViewState = false;
}
this.subQuery = subQuery;
return(subQuery);
}
protected void Page_Load(object sender, EventArgs e)
{
c = new RadComboBoxClientCascade(RadComboBox1, Load1) /*.DefaultItem("选择1")*/;
c.SetSubQuery(new RadComboBoxClientCascade(RadComboBox2, Load1)) /*.DefaultItem("选择2").DefaultValue("2")*/
.SetSubQuery(new RadComboBoxClientCascade(RadComboBox3, Load1)) /*.DefaultItem("选择3").DefaultValue("4")*/
.SetSubQuery(new RadComboBoxClientCascade(RadComboBox4, Load1)) /*.DefaultItem("选择4").DefaultValue("8")*/
.SetSubQuery(new RadComboBoxClientCascade(RadComboBox5, Load1)) /*.DefaultItem("选择5").DefaultValue("16")*/;
if (!IsPostBack)
{
DoLoad();
}
c.RegisterScript();
}
void Load1(RadComboBoxClientCascade box, RadComboBoxItemsRequestedEventArgs e)
{
box.BindData(GenerateData(e.Value), "Key", "Value");
System.Diagnostics.Debug.WriteLine(box.Control.ID);
}
